Agenda Packets - 1990/04/09 - Laserfiche WebLink

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MEMO TO: Mayor and City Council t\ia4/1 C' • FROM: Public Works Foreman Ulrich DATE: April 5, 1990 SUBJECT: Additional Work Needed to Groveland Lift Station To refresh your memory, the work on Groveland lift sta- tion which was awarded on November 9, 1989, is about to commence. This work was to replace both pumps and two valves. Since that time we have experienced some problems with the check valves in the system. They are sticking open and allow- ing flow to return to the wet well, thus pumping the same material many times. We have consulted with Waldor about this and have concluded that these valves should be replaced. There are a couple of other modifications to the plumbing of these valves and pumps that would update this lift station, thus eliminating maintenance of the valves installed. Being this is a generalized line item in the budget, (pump and motor, ect. ) , we are requesting approval to so the work at this time. Since general tear down and shut down of this facility is necessary to do the pump work, it would be cost effective to replace the additional valves at this time. • We feel it would be less complicated and time consuming if Waldar, the original company awarded the bid, did the neces- sary additions. The maximum amount needed for approval of the additional work is $3,444.00. This amount may be less costly if less labor is needed. We are planning to replace the control panel and float system in the near future, you will be hearing about that shortly. With the completion of this work, we will have a more efficient, easily maintainable lift station for years to come. STAFF RECOMMENDATION: Approve additional repair work at Groveland lift station and grant Waldor Pump the work re- quested for $3,444.00 to be charged to account 730-4122-515. •